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Old 09-20-2007, 01:04 AM   #1
superdupersubaru
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Default SR56/57 thread: post your numbers/ mods/ dyno type

2003 suby wrx
cobb 2.5l block forged internals
stock wrx heads
aps sr 57
aps turbo inlet
aps dr 550 fmic
pe 850cc injectors
walboro 255lph fuel pump
hks carbon ti exhaust
helix dp
dc up
aps bov
aps 70mm cai
koyorad
prodrive boost sylonoid

dont have my dyno to show but I can tell you i hit 303 hp 290lbs torque at 22psi on 91 oct......harmon motives mustang dyno used to aquire..
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Old 09-20-2007, 01:17 AM   #2
Mac323
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What do you consider to be the SR57? As far as i know aps has yet to relase this. All i know is that the sr57 = sr56 w/ a 3" inlet.

I ordered a 56 w/ 3" inlet. I will have numbers up as soon as i get it and have a chance to install it.

My mod list is as follows

2006 STI
Stock Internals
APS SR56 w/ 3" Inlet
APS Turbo Inlet
APS DR525 Frontmount
Helix 860cc Injectors
Walbro 255lph Fuel Pump
APS 3" Turbo Back Exhaust
APS TGV Deletes
APS Fuel Rails
Custom Intake
Tial 50mm BOV
Tial 44mm EWG w/ Custom Uppipe
Vibrant Exhaust Manifold
Blitz ID3 EBC
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Old 09-20-2007, 01:21 AM   #3
superdupersubaru
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yes aps sr57=sr56 with 3"inlet.......and to ad to my list i aswell have the aps fuel rails and tgv deletes......post when you get your tune our set-ups seem comparable im exited to see what you make bump!
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Old 09-20-2007, 01:26 AM   #4
Mac323
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will do.
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Old 09-20-2007, 12:01 PM   #5
young j
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Quote:
Originally Posted by superdupersubaru View Post
yes aps sr57=sr56 with 3"inlet.......and to ad to my list i aswell have the aps fuel rails and tgv deletes......post when you get your tune our set-ups seem comparable im exited to see what you make bump!

what kind of power can this turbo make on a sti without goin to ew?
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Old 09-20-2007, 01:28 PM   #6
superdupersubaru
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probably around 350 on 91 but if you run 100 oct map and thorow in some meth then prob around 420....thats what i was quoted anyway all depends on your supporting mods
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Old 09-20-2007, 01:41 PM   #7
Mac323
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i was told around 380-400 on 93 w/ an ewg setup and around 21psi (dyno dynamics) One 100/110/c16 over 400 should not be a problem.
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Old 09-20-2007, 01:42 PM   #8
Jhovany
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APS SR56 turbo
APS 70mm CAI
APS turbo inlet
APS DR525 FMIC
APS 50/50 BOV
APS Fuel Rails
PE 850cc injectors
Walbro 255 fuel pump
TGV deletes
Invidia DP
HKS Hi-Power Exhaust
Accessport
Protuned by Richard Garcia at DynoComp in Scottsdale, AZ
335whp 320lbs torque @ 19psi on 91oct (dyno dynamics)
**About to get either a 100oct or 103oct tune very soon**
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Old 09-20-2007, 09:54 PM   #9
Special
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Any of you guys done any 1/4 mile times with a race fuel tune? I am thinking about getting this turbo, but need to know what they can achieve. I have all the supporting mods.
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Old 09-21-2007, 01:43 AM   #10
stu
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I ran a 12.0 @ 116 on 91 pump gas with a sr55 it was a great turbo.
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Old 09-21-2007, 04:55 AM   #11
superdupersubaru
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Quote:
Originally Posted by stu View Post
I ran a 12.0 @ 116 on 91 pump gas with a sr55 it was a great turbo.
what were your suporting mods thats impressive.....bump!
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Old 09-21-2007, 08:21 AM   #12
Special
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Do these turbos have a lot of lag? I have a 2.0L.
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Old 09-21-2007, 09:22 AM   #13
TopEndPull
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yes, lots of lag on a 2.0L
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Old 09-21-2007, 09:32 AM   #14
Special
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Well as it is a bolt on I don't mind if it has lag once I only use it for racing as I will take it off and put back on the VF34 when I am not racing. I haven't been able to get any info on 1/4 mile times on race gas. I want something that can get me a mid 11.
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Old 09-21-2007, 02:59 PM   #15
stu
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I would guess it would be pretty laggy on the 2.0 but I would hit hard and pull hard. is your engine built. MZM ran one on a 2.0 and it went 11.6 I believe on race.
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Old 09-21-2007, 04:05 PM   #16
TopEndPull
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They've had several that have trapped 122-123 on race fuel
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Old 09-21-2007, 09:22 PM   #17
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Well the 2002 JDM STi model actually comes with forged pistons and rods. I bought a wrecked STi so plan on taking out my S202 engine and using this engine and gearbox to race with. I really need a turbo that can get me low 11's, but it seems like the bolt on turbos can only yield mid 11's. As I am against going rotated for the moment, I guess I will have to deal with it. Do you guys think the FP Red is the best bolt on turbo to get? What about the APS turbos?
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Old 09-21-2007, 10:57 PM   #18
stu
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I think you are about the top maybe a element gt52.
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Old 09-22-2007, 05:10 PM   #19
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How come they don't have the SR57 on their site? What is the difference between it and the SR56?
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Old 09-22-2007, 06:03 PM   #20
Equilibrium Tuning
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Here's a car I tuned with an SR56. It has PE850's, APS FMIC with custom blow-through MAF, perrin solenoid, catless TBE. This was tuned on 91 Octane at 5000 feet above sea level and the plot is from my road dyno software which consistantly reads like the lower reading mustang dyno's. 315whp is good for about 112-113mph traps.



Thanks
-- Ed
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Old 09-23-2007, 03:40 PM   #21
Jhovany
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^^^ Those are HORRIBLE numbers!!!!! even for a low reading dyno!!!!
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Old 09-24-2007, 01:47 AM   #22
Equilibrium Tuning
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Quote:
Originally Posted by Jhovany View Post
^^^ Those are HORRIBLE numbers!!!!! even for a low reading dyno!!!!
Yep, they're definitely low. Of course considering this was at 5000 feet above sea level, on crappy 91 Octane, and extremely conservative 18-19psi as requested by the owner, they're not all that bad. Its about the same as an 8cm Green makes in similar conditions. IMO this turbo is pretty much useless unless you have the octane to back it up. It will really start to wake up around 25-26psi+.

Thanks
-- Ed
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Old 09-24-2007, 08:57 PM   #23
STimo
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11.3@123, 10's a commin'

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Quote:
Originally Posted by Vaus View Post
It will really start to wake up around 25-26psi+.

Thanks
-- Ed
I've heard though that once you hit around 24-25psi with the APS SR56 that the tiny hotside wont flow anymore and boost doesnt hold to redline very well, and even pushing the crap out of it are only able to run around 24psi, any truth to this from your experience?
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Old 09-24-2007, 10:21 PM   #24
Jhovany
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I havent heard that....actually i agree with Vaus. I really like my APS SR56 turbo....its just very nice and very convenient knowing I have the top end when needed! These turbo might not produce insane dyno numbers but they are a very good top end turbo (being a stock location turbo of course)
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Old 09-25-2007, 09:39 PM   #25
STimo
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The boost threshold of that turbo just looks horrible though, looks like it picks up just like a 35R but without all the power I've never been a fan of the high priced/under performing APS turbos.. Only good ones i've heard of are the SR40 and the new TSR70 as long as you get the bigger hotside..
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